Revert of [Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/css/CSSStyleSheet.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 68 matching lines @@
     CSSRule* item(unsigned index);
 
     void clearOwnerNode() override;
 
     CSSRule* ownerRule() const override { return m_ownerRule; }
     KURL baseURL() const override;
     bool isLoading() const override;
 
     void clearOwnerRule() { m_ownerRule = nullptr; }
     Document* ownerDocument() const;
-    MediaQuerySet* mediaQueries() const;
+    MediaQuerySet* mediaQueries() const { return m_mediaQueries.get(); }
     void setMediaQueries(PassRefPtrWillBeRawPtr<MediaQuerySet>);
     void setTitle(const String& title) { m_title = title; }
     // Set by LinkStyle iff CORS-enabled fetch of stylesheet succeeded from this origin.
     void setAllowRuleAccessFromOrigin(PassRefPtr<SecurityOrigin> allowedOrigin);
 
     class RuleMutationScope {
         WTF_MAKE_NONCOPYABLE(RuleMutationScope);
         STACK_ALLOCATED();
     public:
         explicit RuleMutationScope(CSSStyleSheet*);
         explicit RuleMutationScope(CSSRule*);
         ~RuleMutationScope();
 
     private:
         RawPtrWillBeMember<CSSStyleSheet> m_styleSheet;
     };
 
     void willMutateRules();
     void didMutateRules();
     void didMutate(StyleSheetUpdateType = PartialRuleUpdate);
 
     void clearChildRuleCSSOMWrappers();
 
-    StyleSheetContents* contents() const;
+    StyleSheetContents* contents() const { return m_contents.get(); }
 
     bool isInline() const { return m_isInlineStylesheet; }
     TextPosition startPositionInSource() const { return m_startPosition; }
 
     bool sheetLoaded();
     bool loadCompleted() const { return m_loadCompleted; }
     void startLoadingDynamicSheet();
 
     DECLARE_VIRTUAL_TRACE();
 
@@ skipping 46 matching lines @@
 {
     if (m_styleSheet)
         m_styleSheet->didMutateRules();
 }
 
 DEFINE_TYPE_CASTS(CSSStyleSheet, StyleSheet, sheet, sheet->isCSSStyleSheet(), sheet.isCSSStyleSheet());
 
 } // namespace blink
 
 #endif